But investors are likely to be wary ahead of the Fed meeting.

Dow futures fell 64 points, or about 0.36% in New York and S&P 500 E-mini futures were down 0.34%. Nasdaq 100 E-mini futures were lower by 0.39%.

The euro fell 0.35% against the U.S. dollar, as news about Greece's failed negotiations dominated the headlines. Greece failed to reach an agreement on Sunday with creditors over terms of its bailout, ahead of a critical meeting with euro finance ministers on June 18.

"While some progress was made, the talks did not succeed as there remains a significant gap," the European Commission said in a text message, according to Bloomberg. "On this basis, further discussion will now have to take place in the Eurogroup."

"The shadow of a Greek exit from the euro zone is becoming increasingly perceptible," German Vice Chancellor and Economy Minister Sigmar Gabriel wrote in an op-ed to be published today in Bild in Germany. "Greece's game theorists are gambling the future of their country. And Europe's too."

The value of Chinese stocks rose above $10 trillion for the first time, as companies with a primary listing in China were valued at $10.05 trillion, an increase of $6.7 trillion in 12 months, according to data compiled by Bloomberg.